Valve.



C. WESTEN.

VALVE.

APPLICATION FILED Dsc. 9. 1914.

1,149,236. Patented Aug. 10, 1915.

f tion.

.VALVE- .meaaae l' TQ aZlf/iomdz'tmag/ yconcerne."k "f s y -A I e it l known `that LUCHARLEs WnsTIjN, a citizen of the United States, 'and .a .resident of .Ghicago, county lof" Cook, andplrstatelof Illinois, have'` invented certain :new Aand/uses fnl Improvements in .Valves,of" wh1ch 1the following is {The inventionlrlates .tovalves forcentrolling the/'filon ofwvetefi and thellke, and more particularly to Yvalves.of/,fthe quickopening ltype `.such as are used -,ffor Water faucets. Quekmpenng weer ,ral-ves, are usually provided `with multiple' .Sel-"6W threads of sharp pitch so. that the valvecan be ,quickly opened and closed by iturning its n *provided with ,a tapered portion 27 which Y stem :througha partialrotation;I n y p y 'The present .invention Seeks t0 .provide improved means for .holding 'the Coperatng threads .of fthe ,valve L and' valve .casing `in, snugenga gement 1 and .with 4sulfion-nit friction'v to prevent the tpressure".` ofl the' supply from' f accidentally Opening the valve'- Tlie .inventionconsists of the featuresA of improvement hereinafter j set forth, i Aillustrated in the preferred form -`in: the accompanying drawings and..more kparticularly pointed ,out in lthe appended claims.'

i `In tlieclraw'1ngs,-l4` 1gure l is a vertical y rplansection takerronr the line 2-2 of Fig. 11.

The valvecasing 10, yin the form shown,`

is adapted forusein a faucet and is ,prof videdavith theusual partition lflihaving a port 12 extending'therethrough yThe port is provided onits lupperor discharge side with a valvelseatland thepartition, as shown, is preferably provided with annular recess 14: extending about ythe' seat. Above the seat the :valve casing is provided with an upwardly projecting cylindrical f face by a Vscrew 19 and which, in the closed position of the valve, engages the valve seat 13. The valve 17 is provided with an enlarged upper portion 20 which is provided with external screw threads 21 that cooperate with the screw threads 16 of the valve casing toy open and'close the valve.'

Preferably, the threads 16 and 21` are multple and of sharp pitch SQ @battles Valve' y vA1,1pliizetirm tlewecember 9, .1914.1

socket 2S thaty is formed inthe screw section of the improved .valve elfig. 2 is ,a ofthe screw'bolt 30 engages the upper end i(spciaeanqnotterreteraient. Patented Ang-10, r1915.

^ Serial No; 876,322. l Y

y :is quickly opened s and closedby turning .,through a? partial` revolution.y y 'fThe valve stem'22V extends througha 'cap 23which-.sl threaded upon theiupper end of the'cylindrical portion 15 of the yvalve cas- Vthreads .16 ofthe valve casing, the screw threaded part 2O of the valveis 'split and divided into sections by. a Vvertical saw cut 26 and the lower. endof thevalve stem is is square por angular in section yand which tits v.into a 'correspondingly yshaped bore 'or l Asgusual, suitable packing material 24 v a-fulhclear, and'exactldescrip.- is ih'eld in lplace by the cap 28 to prevent f. i l 'leaking about the valve stem. At' its upperv threadedportion 20 of the valve.' T he bore of' rthe valve is provided .with` a. reduced, internally ythreaded lower portion 29 and the'valve stem "22 is provided" with a bore .i

which extends from end toy end there.-k

so through.' A screw bolt 30 extends through the boreof the valve stem and'jhas afthreadf Y ed lower end that engages the threaded por- Y tion 29 `ofthefbore of the valve. "The head ofthe valvestem so that by means of the;

ybolt the lowerj taperedend of the .stem can be forced yinto the tapered ,bore or seat 128 means, suliicient friction is developedl betweenthe screw threads to' prevent the acci# dental opening of the valve'by the pressureA of the supply. It should be noted that the portion; 15 providedy with internal screw @tapered lower yend ofthe valve stem extends only Y.part way into the tapered bore or y seat 28 of the valve, so that any wear upon 'the screw threads can be taken up by tight*- ening the screw bolt 30 and forcing 1 the tapered lower end portion 27 further into 'f i nection is provided between the valve and` they valve stem.

,V The head of the screw bolt 30 overlaps the `upper endof the stem 22 and also preferably overlaps the hub portion of the handie 25y so that it also Serves to secure the A :in the. detailsset forth Without?departiire` as shown, the head of the screw *boltA is provided With a` conical or valve-*likev under'y surface 3l and the abutting surfaces of the valve stein andthe hubY of the handle are correspondingly shaped 'to constitute a seat for tliehead'of they bolt.V In this Way, e Y

. having a. seat and a threaded portion, of a :a tight joint i'sj provided so that there Will be no leaking vabout the upper end` ot the screwY belt 30. If desiredytlieupper portion' ofthe 'bore 'of the valve stein may be enlarged so that packing niaterialmay be Akplaced-:therein to assist informing a tight jointabonttheupper end of the screw bolt. fr- It/'is obvious that 'changes may befmade from the essentials ofthe invention vas de- Afined in the claims.

I claim as my invention z* L l-Thel Acombinationy With` a valve: casing havinglf'afthreaded partyof'a rotary valve having v"a split threaded f part coperating f Withthe threaded part of saidvalve casing fto .open and close' thevalve; the' split threadedip'artof said valve having a tapered-bora an ^1Lexpazn-ding vmember adjustably l fitting livithin 'saidfftaperedlbore and a screw bolt extendingftlirougli and `adjustably"connecting vsaid expanding member Vand lsaid valve, said* screw bolt being arranged to force said expanding member intothe taperedr bore of said valve to therebymaintain vthe threaded parts of said 4valve and vali/'e casing 'in/*snug engagement and take up Wear between the saine, substantiallyy asdescribed. y

'Q /The combination with a valve' casing l havingav threaded portion, of a valve having a'spllit! threaded part coperating With the Y threaded portion lci@ said 'val've'casing to open Aand "close the l va'lve, f and a ,valve stein projectingv fromr4 eaid'casing `and having anV` portion extending betweenY expanding? inner the Avsectionsof said split threaded part to i maintain. the saine insnug engagement'with the threaded portionof said valve casing.

- 3 Thercombination with afvalve casing havingja seat and ai threaded portio,` ofa valveion-the discharge side of said Seat havi-ngfay split threaded part coperatingvvith vthe threaded'portion of said casing. to openV part. 'Y

' expanding portion, andl a sereW bolt extendf 'ingaxially through said val've'and valve 'stein for'forcingsaid expanding portion be# tween .the sections of said split threaded i e .fc'ombination with a valve casing valve on the discharge side of said seat having a split threaded part coperating with g the threadedy portion ofsaid casing toy open andv close the valve, a hollow'valve ietemhav Ving'an expanding portion, and a1 scre'vir` bol-t extending through the bore 'ofsaid stem and. threaded into said valve "for adjustably` connecting' said'valveand stein-and for forcing Vsaid expanding'portion-'between the sections Y of said rsplitthreaded part, said screWbolt I hav-ing 'a yheadedouter end overlapping the outerendof said stemand yadapted to form a tight jinf'raierewah. y

' 5'; The combina-tion of avalveycasinghaving a seat, valve on f theV`V discharge y sidev of saidseat;saidivalve and casing having'screvv f threadedfparts coperating to open and close the valve;V the threaded part of saidv valvebeing` split andV provided with Van Mangular v'tapered bore, afvalve s'jtem' having 'an'expanct ing inner end fitting lthe tapered lrjore-v o'ifsaid split threadedpart, and means for-"adjust` ably connecting said'valve andzstein. 6; The combination of avalve casing' hav-V ing a Seat, a" valve onthedischargesidegof said seat; said valve andcaSing having screwk threadedparts"coperatinglto open andclose the valvethe-threaded part of saidv valve loef` ingsplit and provided Withlan" angular ta-rV pered bore,v a fvalve stem having-l a" tapered',E

angular inner end extending Within said bore, a screw bolt extending axially through vltritnesses: I Y v Y I JQ-G. ANDERSON', v

YGpiesfoiuthis patentmaybe obtained ferve'cents each, By addressing the Commissioner of Patents.

, h. y g 7:. f' yWashington; D' C, v 

